Finding the Fourth Proportional to 577,093.80, 865,640.70 and 328,261.80
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Solution
The fourth proportional to 577,093.80, 865,640.70 and 328,261.80 is: 492,392.70
Step by Step Solution
- Step 1: Write the proportion equation
577,093.80 : 865,640.70 = 328,261.80 : x - Step 2: Convert to fraction form
577,093.80/865,640.70 = 328,261.80/x - Step 3: Cross multiply
577,093.80x = 865,640.70 × 328,261.80 - Step 4: Simplify right side
577,093.80x = 284,156,774,335.26 - Step 5: Solve for x
x = 284,156,774,335.26/577,093.80 - Step 6: Final answer
x = 492,392.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.